you have to pick three numbers correctly - numbers are 0-9 - you can not pick the same number twice - order does not matter - you pay $1 to play and win $83.33 if you get it right. What is the expected payout?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?